Hitachi's SJ700D Series outperforms on performance, capabilities and functions of its predecessor, the Hitachi SJ700B Series. The SJ700D Series comes with improved sensorless vector (SLV) control algorithm, which allows the SJ700D Series to develop 150% torque at 0.5 Hz, ideal for a wide range of applications. Another key upgrade in the SJ700D Series is the addition of Hitachi's EzSQ (Easy Sequence) built-in programming function, which provides the functionality of a PLC built into the inverter